blob: 07821ca5955f42872e5b2748272cc7bf73bc2c4c [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: isdn_divertif.h,v 1.4.6.1 2001/09/23 22:25:05 kai Exp $
2 *
3 * Header for the diversion supplementary interface for i4l.
4 *
5 * Author Werner Cornelius (werner@titro.de)
6 * Copyright by Werner Cornelius (werner@titro.de)
7 *
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
10 *
11 */
12
13
14/***********************************************************/
15/* magic value is also used to control version information */
16/***********************************************************/
17#define DIVERT_IF_MAGIC 0x25873401
18#define DIVERT_CMD_REG 0x00 /* register command */
19#define DIVERT_CMD_REL 0x01 /* release command */
20#define DIVERT_NO_ERR 0x00 /* return value no error */
21#define DIVERT_CMD_ERR 0x01 /* invalid cmd */
22#define DIVERT_VER_ERR 0x02 /* magic/version invalid */
23#define DIVERT_REG_ERR 0x03 /* module already registered */
24#define DIVERT_REL_ERR 0x04 /* module not registered */
25#define DIVERT_REG_NAME isdn_register_divert
26
Mike Frysingera7e27d52007-05-08 00:32:40 -070027#ifdef __KERNEL__
28#include <linux/isdnif.h>
29#include <linux/types.h>
30
Linus Torvalds1da177e2005-04-16 15:20:36 -070031/***************************************************************/
32/* structure exchanging data between isdn hl and divert module */
33/***************************************************************/
34typedef struct
35 { ulong if_magic; /* magic info and version */
36 int cmd; /* command */
37 int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */
38 int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */
39 char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */
40 int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */
41 } isdn_divert_if;
42
43/*********************/
44/* function register */
45/*********************/
46extern int DIVERT_REG_NAME(isdn_divert_if *);
Mike Frysingera7e27d52007-05-08 00:32:40 -070047#endif